Is CVE-2026-34487 actively exploited?

CVE-2026-34487 has no public evidence of in-the-wild exploitation as of 2026-04-14.

What is the CVSS score for CVE-2026-34487?

CVE-2026-34487 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

How do I patch CVE-2026-34487?

Patch guidance is available from apache security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-34487.

Fix CVE-2026-34487 - HIGH apache tomcat

Q: Which products are affected by CVE-2026-34487?

3 products: apache tomcat, apache tomcat, apache tomcat.

Description

Insertion of Sensitive Information into Log File vulnerability in the cloud membership for clustering component of Apache Tomcat exposed the Kubernetes bearer token. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.13 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none
Weaknesses: CWE-532

Metadata

Primary Vendor: APACHE
Published: 4/9/2026
Last Modified: 4/14/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-34487

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary